/* 
 * Quechua - the lightweight data mining framework
 *
 * Copyright (C) 2012 Marek Denis <quechua@octogan.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef INTERFACE_ALGORITHM
#define INTERFACE_ALGORITHM

#include "interface-common.h"
#include "workflow.h"
class Algorithm {
 public:
    Algorithm();
    virtual ~Algorithm();
    virtual bool start();
    virtual bool prepare();
    virtual bool stop();
    virtual bool reset();
 
    virtual datapack_ptr work(datapack_ptr data) =0;
    virtual bool load_misc_conf(const setting_t& misc);
 
    Internal* const internal;
};

// definition of function pointer for loading Algorithm instance from shared module
typedef Algorithm* (*load_algorithm_ptr)(void);

datapack_ptr serve_algorithm(datapack_ptr data, void* object, STEP step);



#endif
